Arduino boards have impressed both hackers and professional engineers. Whether you're a hobbyist or a professional, it isn't just a breadboard and a hazy idea that keeps you going. It's essential to institute a proper design, device instrumentation and, indeed, test your project thoroughly before committing to a...

The compiler is one of the most important aspects of system software. When any computer user develops a computer program, one must use some programming language, rather than using a computer instruction set. This implies that there must be the compiler of the programming language that has been installed on the computer one uses, and...

You can use the Drupal 7 content management framework to build a small business website rapidly. You may add blogs; images and image galleries; maps, e-commerce and shopping carts; social application integration including Twitter and Flickr, and more to your site to connect with your customers and make more money from your...

The idea of a writing a book about Android development can be somewhat futile at times, considering the pace at which Android continues to expand, morph, and change. What started out as a book project a few years ago has now become a series of updates to the original work with the page count nearly double the original project—...

Microsoft’s principal data access technology, ADO.NET Entity Framework, has had two major releases as part of the .NET Framework. .NET 3.5 brought us the first version of Entity Framework, which is covered in the first edition of Programming Entity Framework (O’Reilly). In 2010, Microsoft .NET 4 was released, containing the...

I can tell you how much I enjoy being a geek. I can tell you how fascinated I was with the punch-cards my dad showed me back in 1985. I can tell you how I got my first computer when I was seven. And I can tell you that I’ve loved programming since 1989. I can tell you a great many things about all that, but I’m not sure how...

The 37th International Workshop on Graph-Theoretic Concepts in Computer Science (WG 2011) took place in Tepl´a Monastery, Czech Republic, during June 21–24, 2011. It was attended by 80 participants who came from all over the world not only to deliver or listen to interesting talks, but also to celebrate the 65th birthday of Ludek...

Ever since I spotted and started reading my first computer book in 1981, I knew Information Technology (IT) was going to be an important part of my life. I feel privileged to have been able to make a career out of something I enjoy, and the fact that it changes on what seems to be a monthly basis means it never gets boring. It still...

The Linked Open Data Project started just four years ago in 2007. In that short time Linked Data has grown into an almost mainstream activity for many governments around the world. As of this writing, the US Government’s open data site listed twenty one countries whose governments publish open data regarding the operations of...

My interest in this subject started when I joined the broadcast equipment manufacturer, Chyron. For a few years I was the product manager for their playout automation and asset management product lines. These were one of the first applications that gave television broadcasters the means to manage the ingest, storage, archiving, and...

Historically, computer security is related to both cryptography and access control in operating systems. Cryptography, although mostly applied in the military and diplomacy, was used to protect communication channels and storage facilities (especially the backups). In the seventies there was a breakthrough in cryptography - the...

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